src/chrome/browser/extensions/extension_install_prompt.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/extensions/extension_install_prompt.h"
   6
   7 #include <map>
   8
   9 #include "base/command_line.h"
  10 #include "base/message_loop/message_loop.h"
  11 #include "base/prefs/pref_service.h"
  12 #include "base/strings/string_number_conversions.h"
  13 #include "base/strings/string_util.h"
  14 #include "base/strings/stringprintf.h"
  15 #include "base/strings/utf_string_conversions.h"
  16 #include "chrome/browser/extensions/bundle_installer.h"
  17 #include "chrome/browser/extensions/extension_install_ui.h"
  18 #include "chrome/browser/extensions/image_loader.h"
  19 #include "chrome/browser/profiles/profile.h"
  20 #include "chrome/browser/signin/profile_oauth2_token_service.h"
  21 #include "chrome/browser/signin/profile_oauth2_token_service_factory.h"
  22 #include "chrome/browser/ui/browser.h"
  23 #include "chrome/browser/ui/browser_window.h"
  24 #include "chrome/common/chrome_switches.h"
  25 #include "chrome/common/extensions/api/identity/oauth2_manifest_handler.h"
  26 #include "chrome/common/extensions/extension_constants.h"
  27 #include "chrome/common/extensions/extension_icon_set.h"
  28 #include "chrome/common/extensions/manifest_handlers/icons_handler.h"
  29 #include "chrome/common/pref_names.h"
  30 #include "content/public/browser/web_contents.h"
  31 #include "content/public/browser/web_contents_view.h"
  32 #include "extensions/common/extension.h"
  33 #include "extensions/common/extension_resource.h"
  34 #include "extensions/common/feature_switch.h"
  35 #include "extensions/common/manifest.h"
  36 #include "extensions/common/manifest_constants.h"
  37 #include "extensions/common/permissions/permission_message_provider.h"
  38 #include "extensions/common/permissions/permission_set.h"
  39 #include "extensions/common/permissions/permissions_data.h"
  40 #include "extensions/common/url_pattern.h"
  41 #include "grit/chromium_strings.h"
  42 #include "grit/generated_resources.h"
  43 #include "grit/theme_resources.h"
  44 #include "ui/base/l10n/l10n_util.h"
  45 #include "ui/base/resource/resource_bundle.h"
  46 #include "ui/gfx/image/image.h"
  47
  48 using extensions::BundleInstaller;
  49 using extensions::Extension;
  50 using extensions::Manifest;
  51 using extensions::PermissionSet;
  52
  53 namespace {
  54
  55 static const int kTitleIds[ExtensionInstallPrompt::NUM_PROMPT_TYPES] = {
  56   0,  // The regular install prompt depends on what's being installed.
  57   IDS_EXTENSION_INLINE_INSTALL_PROMPT_TITLE,
  58   IDS_EXTENSION_INSTALL_PROMPT_TITLE,
  59   IDS_EXTENSION_RE_ENABLE_PROMPT_TITLE,
  60   IDS_EXTENSION_PERMISSIONS_PROMPT_TITLE,
  61   IDS_EXTENSION_EXTERNAL_INSTALL_PROMPT_TITLE,
  62   IDS_EXTENSION_POST_INSTALL_PERMISSIONS_PROMPT_TITLE,
  63   IDS_EXTENSION_LAUNCH_APP_PROMPT_TITLE,
  64 };
  65 static const int kHeadingIds[ExtensionInstallPrompt::NUM_PROMPT_TYPES] = {
  66   IDS_EXTENSION_INSTALL_PROMPT_HEADING,
  67   0,  // Inline installs use the extension name.
  68   0,  // Heading for bundle installs depends on the bundle contents.
  69   IDS_EXTENSION_RE_ENABLE_PROMPT_HEADING,
  70   IDS_EXTENSION_PERMISSIONS_PROMPT_HEADING,
  71   0,  // External installs use different strings for extensions/apps.
  72   IDS_EXTENSION_POST_INSTALL_PERMISSIONS_PROMPT_HEADING,
  73   IDS_EXTENSION_LAUNCH_APP_PROMPT_HEADING,
  74 };
  75 static const int kButtons[ExtensionInstallPrompt::NUM_PROMPT_TYPES] = {
  76   ui::DIALOG_BUTTON_OK | ui::DIALOG_BUTTON_CANCEL,
  77   ui::DIALOG_BUTTON_OK | ui::DIALOG_BUTTON_CANCEL,
  78   ui::DIALOG_BUTTON_OK | ui::DIALOG_BUTTON_CANCEL,
  79   ui::DIALOG_BUTTON_OK | ui::DIALOG_BUTTON_CANCEL,
  80   ui::DIALOG_BUTTON_OK | ui::DIALOG_BUTTON_CANCEL,
  81   ui::DIALOG_BUTTON_OK | ui::DIALOG_BUTTON_CANCEL,
  82   ui::DIALOG_BUTTON_CANCEL,
  83   ui::DIALOG_BUTTON_OK | ui::DIALOG_BUTTON_CANCEL,
  84 };
  85 static const int kAcceptButtonIds[ExtensionInstallPrompt::NUM_PROMPT_TYPES] = {
  86   IDS_EXTENSION_PROMPT_INSTALL_BUTTON,
  87   IDS_EXTENSION_PROMPT_INSTALL_BUTTON,
  88   IDS_EXTENSION_PROMPT_INSTALL_BUTTON,
  89   IDS_EXTENSION_PROMPT_RE_ENABLE_BUTTON,
  90   IDS_EXTENSION_PROMPT_PERMISSIONS_BUTTON,
  91   0,  // External installs use different strings for extensions/apps.
  92   IDS_EXTENSION_PROMPT_PERMISSIONS_CLEAR_RETAINED_FILES_BUTTON,
  93   IDS_EXTENSION_PROMPT_LAUNCH_BUTTON,
  94 };
  95 static const int kAbortButtonIds[ExtensionInstallPrompt::NUM_PROMPT_TYPES] = {
  96   0,  // These all use the platform's default cancel label.
  97   0,
  98   0,
  99   0,
 100   IDS_EXTENSION_PROMPT_PERMISSIONS_ABORT_BUTTON,
 101   IDS_EXTENSION_EXTERNAL_INSTALL_PROMPT_ABORT_BUTTON,
 102   IDS_CLOSE,
 103   0,  // Platform dependent cancel button.
 104 };
 105 static const int kPermissionsHeaderIds[
 106     ExtensionInstallPrompt::NUM_PROMPT_TYPES] = {
 107   IDS_EXTENSION_PROMPT_WILL_HAVE_ACCESS_TO,
 108   IDS_EXTENSION_PROMPT_WILL_HAVE_ACCESS_TO,
 109   IDS_EXTENSION_PROMPT_THESE_WILL_HAVE_ACCESS_TO,
 110   IDS_EXTENSION_PROMPT_WILL_NOW_HAVE_ACCESS_TO,
 111   IDS_EXTENSION_PROMPT_WANTS_ACCESS_TO,
 112   IDS_EXTENSION_PROMPT_WILL_HAVE_ACCESS_TO,
 113   IDS_EXTENSION_PROMPT_CAN_ACCESS,
 114   IDS_EXTENSION_PROMPT_WILL_HAVE_ACCESS_TO,
 115 };
 116 static const int kOAuthHeaderIds[ExtensionInstallPrompt::NUM_PROMPT_TYPES] = {
 117   IDS_EXTENSION_PROMPT_OAUTH_HEADER,
 118   0,  // Inline installs don't show OAuth permissions.
 119   0,  // Bundle installs don't show OAuth permissions.
 120   IDS_EXTENSION_PROMPT_OAUTH_REENABLE_HEADER,
 121   IDS_EXTENSION_PROMPT_OAUTH_PERMISSIONS_HEADER,
 122   0,
 123   0,
 124   IDS_EXTENSION_PROMPT_OAUTH_HEADER,
 125 };
 126
 127 // Size of extension icon in top left of dialog.
 128 const int kIconSize = 69;
 129
 130 // Returns pixel size under maximal scale factor for the icon whose device
 131 // independent size is |size_in_dip|
 132 int GetSizeForMaxScaleFactor(int size_in_dip) {
 133   return static_cast<int>(size_in_dip * gfx::ImageSkia::GetMaxSupportedScale());
 134 }
 135
 136 // Returns bitmap for the default icon with size equal to the default icon's
 137 // pixel size under maximal supported scale factor.
 138 SkBitmap GetDefaultIconBitmapForMaxScaleFactor(bool is_app) {
 139   const gfx::ImageSkia& image = is_app ?
 140       extensions::IconsInfo::GetDefaultAppIcon() :
 141       extensions::IconsInfo::GetDefaultExtensionIcon();
 142   return image.GetRepresentation(
 143       gfx::ImageSkia::GetMaxSupportedScale()).sk_bitmap();
 144 }
 145
 146 // If auto confirm is enabled then posts a task to proceed with or cancel the
 147 // install and returns true. Otherwise returns false.
 148 bool AutoConfirmPrompt(ExtensionInstallPrompt::Delegate* delegate) {
 149   const CommandLine* cmdline = CommandLine::ForCurrentProcess();
 150   if (!cmdline->HasSwitch(switches::kAppsGalleryInstallAutoConfirmForTests))
 151     return false;
 152   std::string value = cmdline->GetSwitchValueASCII(
 153       switches::kAppsGalleryInstallAutoConfirmForTests);
 154
 155   // We use PostTask instead of calling the delegate directly here, because in
 156   // the real implementations it's highly likely the message loop will be
 157   // pumping a few times before the user clicks accept or cancel.
 158   if (value == "accept") {
 159     base::MessageLoop::current()->PostTask(
 160         FROM_HERE,
 161         base::Bind(&ExtensionInstallPrompt::Delegate::InstallUIProceed,
 162                    base::Unretained(delegate)));
 163     return true;
 164   }
 165
 166   if (value == "cancel") {
 167     base::MessageLoop::current()->PostTask(
 168         FROM_HERE,
 169         base::Bind(&ExtensionInstallPrompt::Delegate::InstallUIAbort,
 170                    base::Unretained(delegate),
 171                    true));
 172     return true;
 173   }
 174
 175   NOTREACHED();
 176   return false;
 177 }
 178
 179 Profile* ProfileForWebContents(content::WebContents* web_contents) {
 180   if (!web_contents)
 181     return NULL;
 182   return Profile::FromBrowserContext(web_contents->GetBrowserContext());
 183 }
 184
 185 gfx::NativeWindow NativeWindowForWebContents(content::WebContents* contents) {
 186   if (!contents)
 187     return NULL;
 188
 189   return contents->GetView()->GetTopLevelNativeWindow();
 190 }
 191
 192 }  // namespace
 193
 194 ExtensionInstallPrompt::Prompt::Prompt(PromptType type)
 195     : type_(type),
 196       is_showing_details_for_retained_files_(false),
 197       extension_(NULL),
 198       bundle_(NULL),
 199       average_rating_(0.0),
 200       rating_count_(0),
 201       show_user_count_(false) {
 202 }
 203
 204 ExtensionInstallPrompt::Prompt::~Prompt() {
 205 }
 206
 207 void ExtensionInstallPrompt::Prompt::SetPermissions(
 208     const std::vector<base::string16>& permissions) {
 209   permissions_ = permissions;
 210 }
 211
 212 void ExtensionInstallPrompt::Prompt::SetPermissionsDetails(
 213     const std::vector<base::string16>& details) {
 214   details_ = details;
 215   is_showing_details_for_permissions_.clear();
 216   for (size_t i = 0; i < details.size(); ++i)
 217     is_showing_details_for_permissions_.push_back(false);
 218 }
 219
 220 void ExtensionInstallPrompt::Prompt::SetIsShowingDetails(
 221     DetailsType type,
 222     size_t index,
 223     bool is_showing_details) {
 224   switch (type) {
 225     case PERMISSIONS_DETAILS:
 226       is_showing_details_for_permissions_[index] = is_showing_details;
 227       break;
 228     case OAUTH_DETAILS:
 229       is_showing_details_for_oauth_[index] = is_showing_details;
 230       break;
 231     case RETAINED_FILES_DETAILS:
 232       is_showing_details_for_retained_files_ = is_showing_details;
 233       break;
 234   }
 235 }
 236
 237 void ExtensionInstallPrompt::Prompt::SetOAuthIssueAdvice(
 238     const IssueAdviceInfo& issue_advice) {
 239   is_showing_details_for_oauth_.clear();
 240   for (size_t i = 0; i < issue_advice.size(); ++i)
 241     is_showing_details_for_oauth_.push_back(false);
 242
 243   oauth_issue_advice_ = issue_advice;
 244 }
 245
 246 void ExtensionInstallPrompt::Prompt::SetUserNameFromProfile(Profile* profile) {
 247   // |profile| can be NULL in unit tests.
 248   if (profile) {
 249     oauth_user_name_ = base::UTF8ToUTF16(profile->GetPrefs()->GetString(
 250         prefs::kGoogleServicesUsername));
 251   } else {
 252     oauth_user_name_.clear();
 253   }
 254 }
 255
 256 void ExtensionInstallPrompt::Prompt::SetInlineInstallWebstoreData(
 257     const std::string& localized_user_count,
 258     bool show_user_count,
 259     double average_rating,
 260     int rating_count) {
 261   CHECK_EQ(INLINE_INSTALL_PROMPT, type_);
 262   localized_user_count_ = localized_user_count;
 263   show_user_count_ = show_user_count;
 264   average_rating_ = average_rating;
 265   rating_count_ = rating_count;
 266 }
 267
 268 base::string16 ExtensionInstallPrompt::Prompt::GetDialogTitle() const {
 269   int resource_id = kTitleIds[type_];
 270
 271   if (type_ == INSTALL_PROMPT) {
 272     if (extension_->is_app())
 273       resource_id = IDS_EXTENSION_INSTALL_APP_PROMPT_TITLE;
 274     else if (extension_->is_theme())
 275       resource_id = IDS_EXTENSION_INSTALL_THEME_PROMPT_TITLE;
 276     else
 277       resource_id = IDS_EXTENSION_INSTALL_EXTENSION_PROMPT_TITLE;
 278   } else if (type_ == EXTERNAL_INSTALL_PROMPT) {
 279     return l10n_util::GetStringFUTF16(
 280         resource_id, base::UTF8ToUTF16(extension_->name()));
 281   }
 282
 283   return l10n_util::GetStringUTF16(resource_id);
 284 }
 285
 286 base::string16 ExtensionInstallPrompt::Prompt::GetHeading() const {
 287   if (type_ == INLINE_INSTALL_PROMPT) {
 288     return base::UTF8ToUTF16(extension_->name());
 289   } else if (type_ == BUNDLE_INSTALL_PROMPT) {
 290     return bundle_->GetHeadingTextFor(BundleInstaller::Item::STATE_PENDING);
 291   } else if (type_ == EXTERNAL_INSTALL_PROMPT) {
 292     int resource_id = -1;
 293     if (extension_->is_app())
 294       resource_id = IDS_EXTENSION_EXTERNAL_INSTALL_PROMPT_HEADING_APP;
 295     else if (extension_->is_theme())
 296       resource_id = IDS_EXTENSION_EXTERNAL_INSTALL_PROMPT_HEADING_THEME;
 297     else
 298       resource_id = IDS_EXTENSION_EXTERNAL_INSTALL_PROMPT_HEADING_EXTENSION;
 299     return l10n_util::GetStringUTF16(resource_id);
 300   } else {
 301     return l10n_util::GetStringFUTF16(
 302         kHeadingIds[type_], base::UTF8ToUTF16(extension_->name()));
 303   }
 304 }
 305
 306 int ExtensionInstallPrompt::Prompt::GetDialogButtons() const {
 307   if (type_ == POST_INSTALL_PERMISSIONS_PROMPT &&
 308       ShouldDisplayRevokeFilesButton()) {
 309     return kButtons[type_] | ui::DIALOG_BUTTON_OK;
 310   }
 311
 312   return kButtons[type_];
 313 }
 314
 315 bool ExtensionInstallPrompt::Prompt::ShouldShowExplanationText() const {
 316    return type_ == INSTALL_PROMPT &&
 317        extension_->is_extension() && experiment_ && experiment_->text_only();
 318 }
 319
 320 bool ExtensionInstallPrompt::Prompt::HasAcceptButtonLabel() const {
 321   if (kAcceptButtonIds[type_] == 0)
 322     return false;
 323
 324   if (type_ == POST_INSTALL_PERMISSIONS_PROMPT)
 325     return ShouldDisplayRevokeFilesButton();
 326
 327   return true;
 328 }
 329
 330 base::string16 ExtensionInstallPrompt::Prompt::GetAcceptButtonLabel() const {
 331   if (type_ == EXTERNAL_INSTALL_PROMPT) {
 332     int id = -1;
 333     if (extension_->is_app())
 334       id = IDS_EXTENSION_EXTERNAL_INSTALL_PROMPT_ACCEPT_BUTTON_APP;
 335     else if (extension_->is_theme())
 336       id = IDS_EXTENSION_EXTERNAL_INSTALL_PROMPT_ACCEPT_BUTTON_THEME;
 337     else
 338       id = IDS_EXTENSION_EXTERNAL_INSTALL_PROMPT_ACCEPT_BUTTON_EXTENSION;
 339     return l10n_util::GetStringUTF16(id);
 340   }
 341   if (ShouldShowExplanationText())
 342     return experiment_->GetOkButtonText();
 343   return l10n_util::GetStringUTF16(kAcceptButtonIds[type_]);
 344 }
 345
 346 bool ExtensionInstallPrompt::Prompt::HasAbortButtonLabel() const {
 347   if (ShouldShowExplanationText())
 348     return true;
 349   return kAbortButtonIds[type_] > 0;
 350 }
 351
 352 base::string16 ExtensionInstallPrompt::Prompt::GetAbortButtonLabel() const {
 353   CHECK(HasAbortButtonLabel());
 354   if (ShouldShowExplanationText())
 355     return experiment_->GetCancelButtonText();
 356   return l10n_util::GetStringUTF16(kAbortButtonIds[type_]);
 357 }
 358
 359 base::string16 ExtensionInstallPrompt::Prompt::GetPermissionsHeading() const {
 360   return l10n_util::GetStringUTF16(kPermissionsHeaderIds[type_]);
 361 }
 362
 363 base::string16 ExtensionInstallPrompt::Prompt::GetOAuthHeading() const {
 364   return l10n_util::GetStringFUTF16(kOAuthHeaderIds[type_], oauth_user_name_);
 365 }
 366
 367 base::string16 ExtensionInstallPrompt::Prompt::GetRetainedFilesHeading() const {
 368   const int kRetainedFilesMessageIDs[6] = {
 369       IDS_EXTENSION_PROMPT_RETAINED_FILES_DEFAULT,
 370       IDS_EXTENSION_PROMPT_RETAINED_FILE_SINGULAR,
 371       IDS_EXTENSION_PROMPT_RETAINED_FILES_ZERO,
 372       IDS_EXTENSION_PROMPT_RETAINED_FILES_TWO,
 373       IDS_EXTENSION_PROMPT_RETAINED_FILES_FEW,
 374       IDS_EXTENSION_PROMPT_RETAINED_FILES_MANY,
 375   };
 376   std::vector<int> message_ids;
 377   for (size_t i = 0; i < arraysize(kRetainedFilesMessageIDs); i++) {
 378     message_ids.push_back(kRetainedFilesMessageIDs[i]);
 379   }
 380   return l10n_util::GetPluralStringFUTF16(message_ids, GetRetainedFileCount());
 381 }
 382
 383 bool ExtensionInstallPrompt::Prompt::ShouldShowPermissions() const {
 384   return GetPermissionCount() > 0 || type_ == POST_INSTALL_PERMISSIONS_PROMPT;
 385 }
 386
 387 void ExtensionInstallPrompt::Prompt::AppendRatingStars(
 388     StarAppender appender, void* data) const {
 389   CHECK(appender);
 390   CHECK_EQ(INLINE_INSTALL_PROMPT, type_);
 391   int rating_integer = floor(average_rating_);
 392   double rating_fractional = average_rating_ - rating_integer;
 393
 394   if (rating_fractional > 0.66) {
 395     rating_integer++;
 396   }
 397
 398   if (rating_fractional < 0.33 || rating_fractional > 0.66) {
 399     rating_fractional = 0;
 400   }
 401
 402   ResourceBundle& rb = ResourceBundle::GetSharedInstance();
 403   int i;
 404   for (i = 0; i < rating_integer; i++) {
 405     appender(rb.GetImageSkiaNamed(IDR_EXTENSIONS_RATING_STAR_ON), data);
 406   }
 407   if (rating_fractional) {
 408     appender(rb.GetImageSkiaNamed(IDR_EXTENSIONS_RATING_STAR_HALF_LEFT), data);
 409     i++;
 410   }
 411   for (; i < kMaxExtensionRating; i++) {
 412     appender(rb.GetImageSkiaNamed(IDR_EXTENSIONS_RATING_STAR_OFF), data);
 413   }
 414 }
 415
 416 base::string16 ExtensionInstallPrompt::Prompt::GetRatingCount() const {
 417   CHECK_EQ(INLINE_INSTALL_PROMPT, type_);
 418   return l10n_util::GetStringFUTF16(IDS_EXTENSION_RATING_COUNT,
 419                                     base::IntToString16(rating_count_));
 420 }
 421
 422 base::string16 ExtensionInstallPrompt::Prompt::GetUserCount() const {
 423   CHECK_EQ(INLINE_INSTALL_PROMPT, type_);
 424
 425   if (show_user_count_) {
 426     return l10n_util::GetStringFUTF16(IDS_EXTENSION_USER_COUNT,
 427                                       base::UTF8ToUTF16(localized_user_count_));
 428   }
 429   return base::string16();
 430 }
 431
 432 size_t ExtensionInstallPrompt::Prompt::GetPermissionCount() const {
 433   return permissions_.size();
 434 }
 435
 436 size_t ExtensionInstallPrompt::Prompt::GetPermissionsDetailsCount() const {
 437   return details_.size();
 438 }
 439
 440 base::string16 ExtensionInstallPrompt::Prompt::GetPermission(size_t index)
 441     const {
 442   CHECK_LT(index, permissions_.size());
 443   return permissions_[index];
 444 }
 445
 446 base::string16 ExtensionInstallPrompt::Prompt::GetPermissionsDetails(
 447     size_t index) const {
 448   CHECK_LT(index, details_.size());
 449   return details_[index];
 450 }
 451
 452 bool ExtensionInstallPrompt::Prompt::GetIsShowingDetails(
 453     DetailsType type, size_t index) const {
 454   switch (type) {
 455     case PERMISSIONS_DETAILS:
 456       CHECK_LT(index, is_showing_details_for_permissions_.size());
 457       return is_showing_details_for_permissions_[index];
 458     case OAUTH_DETAILS:
 459       CHECK_LT(index, is_showing_details_for_oauth_.size());
 460       return is_showing_details_for_oauth_[index];
 461     case RETAINED_FILES_DETAILS:
 462       return is_showing_details_for_retained_files_;
 463   }
 464   return false;
 465 }
 466
 467 size_t ExtensionInstallPrompt::Prompt::GetOAuthIssueCount() const {
 468   return oauth_issue_advice_.size();
 469 }
 470
 471 const IssueAdviceInfoEntry& ExtensionInstallPrompt::Prompt::GetOAuthIssue(
 472     size_t index) const {
 473   CHECK_LT(index, oauth_issue_advice_.size());
 474   return oauth_issue_advice_[index];
 475 }
 476
 477 size_t ExtensionInstallPrompt::Prompt::GetRetainedFileCount() const {
 478   return retained_files_.size();
 479 }
 480
 481 base::string16 ExtensionInstallPrompt::Prompt::GetRetainedFile(size_t index)
 482     const {
 483   CHECK_LT(index, retained_files_.size());
 484   return retained_files_[index].AsUTF16Unsafe();
 485 }
 486
 487 bool ExtensionInstallPrompt::Prompt::ShouldDisplayRevokeFilesButton() const {
 488   return !retained_files_.empty();
 489 }
 490
 491 ExtensionInstallPrompt::ShowParams::ShowParams(content::WebContents* contents)
 492     : parent_web_contents(contents),
 493       parent_window(NativeWindowForWebContents(contents)),
 494       navigator(contents) {
 495 }
 496
 497 ExtensionInstallPrompt::ShowParams::ShowParams(
 498     gfx::NativeWindow window,
 499     content::PageNavigator* navigator)
 500     : parent_web_contents(NULL),
 501       parent_window(window),
 502       navigator(navigator) {
 503 }
 504
 505 // static
 506 scoped_refptr<Extension>
 507     ExtensionInstallPrompt::GetLocalizedExtensionForDisplay(
 508     const base::DictionaryValue* manifest,
 509     int flags,
 510     const std::string& id,
 511     const std::string& localized_name,
 512     const std::string& localized_description,
 513     std::string* error) {
 514   scoped_ptr<base::DictionaryValue> localized_manifest;
 515   if (!localized_name.empty() || !localized_description.empty()) {
 516     localized_manifest.reset(manifest->DeepCopy());
 517     if (!localized_name.empty()) {
 518       localized_manifest->SetString(extensions::manifest_keys::kName,
 519                                     localized_name);
 520     }
 521     if (!localized_description.empty()) {
 522       localized_manifest->SetString(extensions::manifest_keys::kDescription,
 523                                     localized_description);
 524     }
 525   }
 526
 527   return Extension::Create(
 528       base::FilePath(),
 529       Manifest::INTERNAL,
 530       localized_manifest.get() ? *localized_manifest.get() : *manifest,
 531       flags,
 532       id,
 533       error);
 534 }
 535
 536 ExtensionInstallPrompt::ExtensionInstallPrompt(
 537     content::WebContents* contents)
 538     : OAuth2TokenService::Consumer("extensions_install"),
 539       record_oauth2_grant_(false),
 540       ui_loop_(base::MessageLoop::current()),
 541       extension_(NULL),
 542       install_ui_(ExtensionInstallUI::Create(ProfileForWebContents(contents))),
 543       show_params_(contents),
 544       delegate_(NULL),
 545       prompt_(UNSET_PROMPT_TYPE) {
 546   prompt_.SetUserNameFromProfile(install_ui_->profile());
 547 }
 548
 549 ExtensionInstallPrompt::ExtensionInstallPrompt(
 550     Profile* profile,
 551     gfx::NativeWindow native_window,
 552     content::PageNavigator* navigator)
 553     : OAuth2TokenService::Consumer("extensions_install"),
 554       record_oauth2_grant_(false),
 555       ui_loop_(base::MessageLoop::current()),
 556       extension_(NULL),
 557       install_ui_(ExtensionInstallUI::Create(profile)),
 558       show_params_(native_window, navigator),
 559       delegate_(NULL),
 560       prompt_(UNSET_PROMPT_TYPE) {
 561   prompt_.SetUserNameFromProfile(install_ui_->profile());
 562 }
 563
 564 ExtensionInstallPrompt::~ExtensionInstallPrompt() {
 565 }
 566
 567 void ExtensionInstallPrompt::ConfirmBundleInstall(
 568     extensions::BundleInstaller* bundle,
 569     const PermissionSet* permissions) {
 570   DCHECK(ui_loop_ == base::MessageLoop::current());
 571   bundle_ = bundle;
 572   permissions_ = permissions;
 573   delegate_ = bundle;
 574   prompt_.set_type(BUNDLE_INSTALL_PROMPT);
 575
 576   ShowConfirmation();
 577 }
 578
 579 void ExtensionInstallPrompt::ConfirmStandaloneInstall(
 580     Delegate* delegate,
 581     const Extension* extension,
 582     SkBitmap* icon,
 583     const ExtensionInstallPrompt::Prompt& prompt) {
 584   DCHECK(ui_loop_ == base::MessageLoop::current());
 585   extension_ = extension;
 586   permissions_ = extension->GetActivePermissions();
 587   delegate_ = delegate;
 588   prompt_ = prompt;
 589
 590   SetIcon(icon);
 591   ShowConfirmation();
 592 }
 593
 594 void ExtensionInstallPrompt::ConfirmWebstoreInstall(
 595     Delegate* delegate,
 596     const Extension* extension,
 597     const SkBitmap* icon,
 598     const ShowDialogCallback& show_dialog_callback) {
 599   // SetIcon requires |extension_| to be set. ConfirmInstall will setup the
 600   // remaining fields.
 601   extension_ = extension;
 602   SetIcon(icon);
 603   ConfirmInstall(delegate, extension, show_dialog_callback);
 604 }
 605
 606 void ExtensionInstallPrompt::ConfirmInstall(
 607     Delegate* delegate,
 608     const Extension* extension,
 609     const ShowDialogCallback& show_dialog_callback) {
 610   DCHECK(ui_loop_ == base::MessageLoop::current());
 611   extension_ = extension;
 612   permissions_ = extension->GetActivePermissions();
 613   delegate_ = delegate;
 614   prompt_.set_type(INSTALL_PROMPT);
 615   show_dialog_callback_ = show_dialog_callback;
 616
 617   // We special-case themes to not show any confirm UI. Instead they are
 618   // immediately installed, and then we show an infobar (see OnInstallSuccess)
 619   // to allow the user to revert if they don't like it.
 620   //
 621   // We don't do this in the case where off-store extension installs are
 622   // disabled because in that case, we don't show the dangerous download UI, so
 623   // we need the UI confirmation.
 624   if (extension->is_theme()) {
 625     if (extension->from_webstore() ||
 626         extensions::FeatureSwitch::easy_off_store_install()->IsEnabled()) {
 627       delegate->InstallUIProceed();
 628       return;
 629     }
 630   }
 631
 632   LoadImageIfNeeded();
 633 }
 634
 635 void ExtensionInstallPrompt::ConfirmReEnable(Delegate* delegate,
 636                                              const Extension* extension) {
 637   DCHECK(ui_loop_ == base::MessageLoop::current());
 638   extension_ = extension;
 639   permissions_ = extension->GetActivePermissions();
 640   delegate_ = delegate;
 641   prompt_.set_type(extension->is_ephemeral() ? LAUNCH_PROMPT :
 642                                                RE_ENABLE_PROMPT);
 643
 644   LoadImageIfNeeded();
 645 }
 646
 647 void ExtensionInstallPrompt::ConfirmExternalInstall(
 648     Delegate* delegate,
 649     const Extension* extension,
 650     const ShowDialogCallback& show_dialog_callback) {
 651   DCHECK(ui_loop_ == base::MessageLoop::current());
 652   extension_ = extension;
 653   permissions_ = extension->GetActivePermissions();
 654   delegate_ = delegate;
 655   prompt_.set_type(EXTERNAL_INSTALL_PROMPT);
 656   show_dialog_callback_ = show_dialog_callback;
 657
 658   LoadImageIfNeeded();
 659 }
 660
 661 void ExtensionInstallPrompt::ConfirmPermissions(
 662     Delegate* delegate,
 663     const Extension* extension,
 664     const PermissionSet* permissions) {
 665   DCHECK(ui_loop_ == base::MessageLoop::current());
 666   extension_ = extension;
 667   permissions_ = permissions;
 668   delegate_ = delegate;
 669   prompt_.set_type(PERMISSIONS_PROMPT);
 670
 671   LoadImageIfNeeded();
 672 }
 673
 674 void ExtensionInstallPrompt::ConfirmIssueAdvice(
 675     Delegate* delegate,
 676     const Extension* extension,
 677     const IssueAdviceInfo& issue_advice) {
 678   DCHECK(ui_loop_ == base::MessageLoop::current());
 679   extension_ = extension;
 680   delegate_ = delegate;
 681   prompt_.set_type(PERMISSIONS_PROMPT);
 682
 683   record_oauth2_grant_ = true;
 684   prompt_.SetOAuthIssueAdvice(issue_advice);
 685
 686   LoadImageIfNeeded();
 687 }
 688
 689 void ExtensionInstallPrompt::ReviewPermissions(
 690     Delegate* delegate,
 691     const Extension* extension,
 692     const std::vector<base::FilePath>& retained_file_paths) {
 693   DCHECK(ui_loop_ == base::MessageLoop::current());
 694   extension_ = extension;
 695   permissions_ = extension->GetActivePermissions();
 696   prompt_.set_retained_files(retained_file_paths);
 697   delegate_ = delegate;
 698   prompt_.set_type(POST_INSTALL_PERMISSIONS_PROMPT);
 699
 700   LoadImageIfNeeded();
 701 }
 702
 703 void ExtensionInstallPrompt::OnInstallSuccess(const Extension* extension,
 704                                               SkBitmap* icon) {
 705   extension_ = extension;
 706   SetIcon(icon);
 707
 708   install_ui_->OnInstallSuccess(extension, &icon_);
 709 }
 710
 711 void ExtensionInstallPrompt::OnInstallFailure(
 712     const extensions::CrxInstallerError& error) {
 713   install_ui_->OnInstallFailure(error);
 714 }
 715
 716 void ExtensionInstallPrompt::SetIcon(const SkBitmap* image) {
 717   if (image)
 718     icon_ = *image;
 719   else
 720     icon_ = SkBitmap();
 721   if (icon_.empty()) {
 722     // Let's set default icon bitmap whose size is equal to the default icon's
 723     // pixel size under maximal supported scale factor. If the bitmap is larger
 724     // than the one we need, it will be scaled down by the ui code.
 725     icon_ = GetDefaultIconBitmapForMaxScaleFactor(extension_->is_app());
 726   }
 727 }
 728
 729 void ExtensionInstallPrompt::OnImageLoaded(const gfx::Image& image) {
 730   SetIcon(image.IsEmpty() ? NULL : image.ToSkBitmap());
 731   ShowConfirmation();
 732 }
 733
 734 void ExtensionInstallPrompt::LoadImageIfNeeded() {
 735   // Bundle install prompts do not have an icon.
 736   // Also |install_ui_.profile()| can be NULL in unit tests.
 737   if (!icon_.empty() || !install_ui_->profile()) {
 738     ShowConfirmation();
 739     return;
 740   }
 741
 742   // Load the image asynchronously. For the response, check OnImageLoaded.
 743   extensions::ExtensionResource image = extensions::IconsInfo::GetIconResource(
 744       extension_,
 745       extension_misc::EXTENSION_ICON_LARGE,
 746       ExtensionIconSet::MATCH_BIGGER);
 747   // Load the icon whose pixel size is large enough to be displayed under
 748   // maximal supported scale factor. UI code will scale the icon down if needed.
 749   // TODO(tbarzic): We should use IconImage here and load the required bitmap
 750   //     lazily.
 751   int pixel_size = GetSizeForMaxScaleFactor(kIconSize);
 752   extensions::ImageLoader::Get(install_ui_->profile())->LoadImageAsync(
 753       extension_, image, gfx::Size(pixel_size, pixel_size),
 754       base::Bind(&ExtensionInstallPrompt::OnImageLoaded, AsWeakPtr()));
 755 }
 756
 757 void ExtensionInstallPrompt::OnGetTokenSuccess(
 758     const OAuth2TokenService::Request* request,
 759     const std::string& access_token,
 760     const base::Time& expiration_time) {
 761   DCHECK_EQ(login_token_request_.get(), request);
 762   login_token_request_.reset();
 763
 764   const extensions::OAuth2Info& oauth2_info =
 765       extensions::OAuth2Info::GetOAuth2Info(extension_);
 766
 767   token_flow_.reset(new OAuth2MintTokenFlow(
 768       install_ui_->profile()->GetRequestContext(),
 769       this,
 770       OAuth2MintTokenFlow::Parameters(
 771           access_token,
 772           extension_->id(),
 773           oauth2_info.client_id,
 774           oauth2_info.scopes,
 775           OAuth2MintTokenFlow::MODE_ISSUE_ADVICE)));
 776   token_flow_->Start();
 777 }
 778
 779 void ExtensionInstallPrompt::OnGetTokenFailure(
 780     const OAuth2TokenService::Request* request,
 781     const GoogleServiceAuthError& error) {
 782   DCHECK_EQ(login_token_request_.get(), request);
 783   login_token_request_.reset();
 784   ShowConfirmation();
 785 }
 786
 787 void ExtensionInstallPrompt::OnIssueAdviceSuccess(
 788     const IssueAdviceInfo& advice_info) {
 789   prompt_.SetOAuthIssueAdvice(advice_info);
 790   record_oauth2_grant_ = true;
 791   ShowConfirmation();
 792 }
 793
 794 void ExtensionInstallPrompt::OnMintTokenFailure(
 795     const GoogleServiceAuthError& error) {
 796   ShowConfirmation();
 797 }
 798
 799 void ExtensionInstallPrompt::ShowConfirmation() {
 800   if (prompt_.type() == INSTALL_PROMPT)
 801     prompt_.set_experiment(ExtensionInstallPromptExperiment::Find());
 802   else
 803     prompt_.set_experiment(ExtensionInstallPromptExperiment::ControlGroup());
 804
 805   if (permissions_.get() &&
 806       (!extension_ ||
 807        !extensions::PermissionsData::ShouldSkipPermissionWarnings(
 808            extension_))) {
 809     Manifest::Type extension_type = extension_ ?
 810         extension_->GetType() : Manifest::TYPE_UNKNOWN;
 811     prompt_.SetPermissions(
 812         extensions::PermissionMessageProvider::Get()->
 813             GetWarningMessages(permissions_, extension_type));
 814     prompt_.SetPermissionsDetails(
 815         extensions::PermissionMessageProvider::Get()->
 816             GetWarningMessagesDetails(permissions_, extension_type));
 817   }
 818
 819   switch (prompt_.type()) {
 820     case PERMISSIONS_PROMPT:
 821     case RE_ENABLE_PROMPT:
 822     case INLINE_INSTALL_PROMPT:
 823     case EXTERNAL_INSTALL_PROMPT:
 824     case INSTALL_PROMPT:
 825     case LAUNCH_PROMPT:
 826     case POST_INSTALL_PERMISSIONS_PROMPT: {
 827       prompt_.set_extension(extension_);
 828       prompt_.set_icon(gfx::Image::CreateFrom1xBitmap(icon_));
 829       break;
 830     }
 831     case BUNDLE_INSTALL_PROMPT: {
 832       prompt_.set_bundle(bundle_);
 833       break;
 834     }
 835     default:
 836       NOTREACHED() << "Unknown message";
 837       return;
 838   }
 839
 840   if (AutoConfirmPrompt(delegate_))
 841     return;
 842
 843   if (show_dialog_callback_.is_null())
 844     GetDefaultShowDialogCallback().Run(show_params_, delegate_, prompt_);
 845   else
 846     show_dialog_callback_.Run(show_params_, delegate_, prompt_);
 847 }